通过练习未来完成时态，可以帮助学习者更好地把握时间的概念，以及如何描述将来某个时刻之前所完成的动作。该练习旨在增强学习者对未来完成时态的理解和使用，同时也可以提高学生对复杂句子结构的把握能力。下面我们将通过填空练习来练习未来完成时态的构成和用法。
练习一：填空题 – 未来完成时态
By the time she arrives, we *will have eaten* (已经) dinner.
By next week, he *will have worked* (工作) at the company for three years.
I’m sure by 10 o’clock they *will have left* (离开) the house.
They *will have finished* (完成) the project by the end of this month.
Before the summer ends, we *will have driven* (驾驶) across the entire country.
You *will have received* (收到) the package by then, won’t you?
By the time you wake up, I *will have gone* (去) to the gym.
She *will have learned* (学会) Spanish before her trip to Spain.
I’m afraid they *will have sold* (卖出) all the tickets by the time we get there.
By 2025, scientists *will have discovered* (发现) new ways to treat the disease.
In two days’ time, the caterpillar *will have turned* (变成) into a butterfly.
I *will have saved* (节省) enough money to buy a new car by the end of the year.
He *will have completed* (完成) marathon training by this time next week.
They *will have been* (是) married for twenty years next month.
By tomorrow, all the snow *will have melted* (融化).
练习一：填空题 – 未来完成时态
By the time she arrives, we (已经) dinner.
By next week, he (工作) at the company for three years.
I’m sure by 10 o’clock they (离开) the house.
They (完成) the project by the end of this month.
Before the summer ends, we (驾驶) across the entire country.
You (收到) the package by then, won’t you?
By the time you wake up, I (去) to the gym.
She (学会) Spanish before her trip to Spain.
I’m afraid they (卖出) all the tickets by the time we get there.
By 2025, scientists (发现) new ways to treat the disease.
In two days’ time, the caterpillar (变成) into a butterfly.
I (节省) enough money to buy a new car by the end of the year.
He (完成) marathon training by this time next week.
They (是) married for twenty years next month.
By tomorrow, all the snow (融化).
练习二：填空题 – 未来完成时态
We *will have arrived* (到达) at our destination by sunset.
By the age of 30, she *will have completed* (完成) her PhD.
They *will have painted* (油漆) the entire house by the time we return.
The play *will have started* (开始) by the time we reach the theatre.
He *will have made* (做) a decision by tomorrow morning.
By the end of the week, you *will have forgotten* (忘记) all about this.
She *will have taken* (拿) her medicine by the time you remind her.
My parents *will have been* (是) on vacation for two weeks by this Friday.
You *will have to* (必须) finish your homework by 9 PM.
The gardener *will have trimmed* (修剪) all the bushes by noon.
By the time the concert starts, the band *will have practiced* (练习) for hours.
I *will have read* (读) through all the reports by our next meeting.
They *will have built* (建造) the bridge by the end of next year.
The baby *will have grown* (长大) so much by the time you see him again.
By Monday, the negotiations *will have concluded* (结束).
练习二：填空题 – 未来完成时态
We (到达) at our destination by sunset.
By the age of 30, she (完成) her PhD.
They (油漆) the entire house by the time we return.
The play (开始) by the time we reach the theatre.
He (做) a decision by tomorrow morning.
By the end of the week, you (忘记) all about this.
She (拿) her medicine by the time you remind her.
My parents (是) on vacation for two weeks by this Friday.
You (必须) finish your homework by 9 PM.
The gardener (修剪) all the bushes by noon.
By the time the concert starts, the band (练习) for hours.
I (读) through all the reports by our next meeting.
They (建造) the bridge by the end of next year.
The baby (长大) so much by the time you see him again.
By Monday, the negotiations (结束).
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